<?php

class UsuarioController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			//'postOnly + delete', // we only allow deletion via POST request
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(			
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('index','view','create','update','admin','delete','otorgarPermisosCreacionMinuta', 'QuitarPermisosCreacionMinuta'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Usuario;

		// Uncomment the following line if AJAX validation is needed
		$this->performAjaxValidation($model);

		if(isset($_POST['Usuario']))
		{
			$model->attributes=$_POST['Usuario'];
			
                        if($model->usuario != 'admin') {
                        
                            //Por defecto el usuario no tiene permisos para crear minutas
                            $model->permiso_creacion_minuta = 0;

                            if($model->save()) {
                                    Yii::app()->user->setFlash('success','Usuario creado exitosamente.');
                                    $this->redirect(array('view','id'=>$model->id)); 
                            }
                        }
                        else {
                            Yii::app()->user->setFlash('error','El usuario no está disponible.');
                        }
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		$this->performAjaxValidation($model);

		if(isset($_POST['Usuario']))
		{
                    
                    $model->attributes=$_POST['Usuario'];
                        
                    if($model->usuario != 'admin') {
			if($model->save()) {
                                 Yii::app()->user->setFlash('success','Usuario actualizado exitosamente.');
				$this->redirect(array('view','id'=>$model->id));
                        }
                    }
                   else {
                       Yii::app()->user->setFlash('error','El usuario no está disponible.');
                   }
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
            try {
		$this->loadModel($id)->delete();

		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax'])) {
                        Yii::app()->user->setFlash('success','Usuario eliminado exitosamente.');
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
                }
            }
            catch(CDbException $e) { 
                Yii::app()->user->setFlash('error','No se pudo eliminar el usuario debido a que está asociado a alguna minuta.');
                $this->redirect(array('admin'));                
            }   
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Usuario', array('pagination'=>array('pageSize'=>3)));
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Usuario('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Usuario']))
			$model->attributes=$_GET['Usuario'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}               

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return Usuario the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=Usuario::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param Usuario $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='usuario-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
        
        public function actionOtorgarPermisosCreacionMinuta($id) {
            
            $model=$this->loadModel($id);
            
            if($model->permiso_creacion_minuta == 0) {
                
                Yii::app()->db
                ->createCommand("UPDATE usuario SET permiso_creacion_minuta = 1 WHERE id = :id")
                ->bindValues(array(':id' => $id))
                ->execute();
                
                //$model->permiso_creacion_minuta = 1;            
                //$model->update();
                
                Yii::app()->user->setFlash('success','Se le han otorgado permisos para crear minutas al usuario.');
                $this->redirect(array('admin'));
            }                        
            else {
                Yii::app()->user->setFlash('error','El usuario ya posee permisos para crear minutas.');
                $this->redirect(array('admin'));
            }                        
        }
        
        public function actionQuitarPermisosCreacionMinuta($id) {
            
            $model=$this->loadModel($id); 
            
            if($model->permiso_creacion_minuta == 1) {
                
                Yii::app()->db
                ->createCommand("UPDATE usuario SET permiso_creacion_minuta = 0 WHERE id = :id")
                ->bindValues(array(':id' => $id))
                ->execute();
                
                //$model->permiso_creacion_minuta = 0;            
                //$model->update();
                
                Yii::app()->user->setFlash('success','Se le han quitado los permisos para crear minutas al usuario.');
                $this->redirect(array('admin'));
            }
            else {
                Yii::app()->user->setFlash('error','El usuario no posee permisos para crear minutas.');
                $this->redirect(array('admin'));
            }
        }        
}
